Koller, H., & Heinig, P. Regesten Kaiser Friedrichs III. (1440-1493). Wien.
Chicago Style CitationKoller, Heinrich, and Paul-Joachim Heinig. Regesten Kaiser Friedrichs III. (1440-1493). Wien.
MLA CitationKoller, Heinrich, and Paul-Joachim Heinig. Regesten Kaiser Friedrichs III. (1440-1493). Wien.
Warning: These citations may not always be 100% accurate.